Four-wheel vehicle



FIG. 1 is a perspective view of the four-wheel vehicle showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the figures are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a four-wheel vehicle, as shown and described. 